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Finding the Fourth Proportional to 641,481.48, 962,967.60 and 375,432.93

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Solution

The fourth proportional to 641,481.48, 962,967.60 and 375,432.93 is: 563,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,481.48 : 962,967.60 = 375,432.93 : x
  2. Step 2: Convert to fraction form
    641,481.48/962,967.60 = 375,432.93/x
  3. Step 3: Cross multiply
    641,481.48x = 962,967.60 × 375,432.93
  4. Step 4: Simplify right side
    641,481.48x = 361,529,747,563.07
  5. Step 5: Solve for x
    x = 361,529,747,563.07/641,481.48
  6. Step 6: Final answer
    x = 563,585.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.